.formBox{
  position: fixed;
  background-color: rgba(0, 0, 0, 0.7);
  width: 500px;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  padding: 20px
}
.formBox_title{
    text-align: center;
    height: 80px;
    line-height: 80px;
    color: #fff;
    font-size: 30px;
}
